Table 1.
Patient characteristics at enrolment
| JIA category | Outcome | M/F | Age, median (IQR), years | AJC, mean (s.d.) | PGA, mean (s.d.) | ESR, mean (s.d.), mm/hr |
|---|---|---|---|---|---|---|
| Oligoarthritis | 1 (n = 17) | 5/12 | 10 (4–14) | 2 (2) | 3.1 (2.0) | 24 (20) |
| 2 (n = 21) | 8/13 | 8 (4–13) | 2 (2) | 3.0 (2.0) | 25 (23) | |
| 3 (n = 9) | 3/6 | 14 (5–15) | 3 (4) | 3.0 (2.0) | 32 (21) | |
| Polyarthritis (RF-negative) | 1 (n = 32) | 5/27 | 11 (4–14) | 9 (8) | 4.4 (2.0) | 28 (24) |
| 2 (n = 33) | 5/28 | 11 (5–14) | 10 (8) | 4.5 (2.0) | 31 (26) | |
| 3 (n = 20) | 3/17 | 10 (6–14) | 8 (8) | 4.0 (2.0) | 28 (26) | |
| Polyarthritis (RF-positive) | 1 (n = 10) | 2/8 | 13 (7–15) | 18 (11) | 4.8 (2.0) | 38 (30) |
| 2 (n = 10) | 1/9 | 12 (7–15) | 17 (11) | 4.3 (2.0) | 41 (30) | |
| 3 (n = 6) | 1/5 | 12 (4–14) | 10 (10) | 5.0 (3.0) | 18 (12) | |
| Psoriatic arthritis | 1 (n = 6) | 2/4 | 9 (5–14) | 11 (7) | 5.3 (2.0) | 27 (22) |
| 2 (n = 6) | 2/4 | 9 (5–14) | 8 (7) | 4.5 (2.0) | 27 (22) | |
| 3 (n = 4) | 1/3 | 9 (3–13) | 8 (9) | 6.0 (1.0) | 14 (7) | |
| Enthesitis-related arthritis | 1 (n = 7) | 4/3 | 13 (9–15) | 6 (5) | 3.2 (3.0) | 33 (28) |
| 2 (n = 7) | 4/3 | 13 (9–15) | 6 (5) | 3.2 (3.0) | 43 (37) | |
| 3 (n = 6) | 3/3 | 12 (9–14) | 7 (3) | 4.0 (2.0) | 36 (18) | |
| Undifferentiated arthritis | 1 (n = 5) | 1/4 | 14 (10–15) | 3 (2) | 3.7 (2.0) | 20 (16) |
| 2 (n = 5) | 1/4 | 14 (10–15) | 3 (2) | 3.7 (2.0) | 20 (16) | |
| 3 (n = 3) | 0/3 | 15 (14–15) | 12 (14) | 5.0 (1.0) | 20 (23) |
Outcome numbers: 1: active joint count of 0; 2: physician global assessment of ≤1 cm; 3: inactive disease by Wallace criteria [15]. AJC: active joint count; F: female; IQR: interquartile range; M: male; PGA: physician global assessment.